FIELD: positive-displacement machines or pumps.
SUBSTANCE: clamping device is mounted at the well mouth and comprises housing with the recess for mounting and dismounting hinged jaw provided with socket for setting the collar of the pump rod. The jaw is pivotally connected with the housing. The setting socket for the head of the rod is made between the housing and jaw. The section of the contact surface is made on the housing, and the axis of the pivot can move a distance from the contact surface of the socket in the housing.
EFFECT: enhanced reliability.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SUCKER ROD | 2000 |
|
RU2185492C2 |
| ELEVATOR FOR PUMP-COMPRESSOR PIPES | 1997 |
|
RU2128767C1 |
| DRILLING TONGS FOR WELL TUBING | 0 |
|
SU1776753A1 |
| DEVICE FOR MAKING AND BRAKING OF SUCKER RODS | 2001 |
|
RU2204010C2 |
| DEVICE FOR CONNECTING AND DISCONNECTING PUMP BARS DURING HOISTING OPERATIONS | 2003 |
|
RU2243349C1 |
| ROD WRENCH | 0 |
|
SU1384714A1 |
| DEVICE FOR PIPES TRANSFER TO RIG ROD RECEIVER | 0 |
|
SU1740615A1 |
| PUMPING RODS SCREWING AND UNSCREWING DEVICE | 0 |
|
SU1693228A1 |
| TUBING STRING ELEVATOR | 1999 |
|
RU2175047C2 |
| FACILITY FOR SCREWING AND UNSCREWING PUMP RODS | 2009 |
|
RU2392103C1 |
